Canna~Fangled Abstracts Structural barriers in access to medical marijuana in the USA-a systematic review protocol. Syst Rev. 2017 Aug 7;6(1):154. doi: 10.1186/s13643-017-0541-4. Valencia CI1, Asaolu IO2, Ehiri JE2, Rosales C3.…Freedom WaresAugust 9, 2017